BLUETTI PV350 350W Portable Solar Panel
#13 in LargeFull review
For BLUETTI and other mid-size station owners who want lots of watts from one panel near the car. Hikers and anyone who moves it often should look at lighter panels.
BLUETTI $649$649
The BLUETTI PV350 350W Portable Solar Panel is the better portable solar panel overall, rated 3.5 to 3.3. The BLUETTI PV350 350W Portable Solar Panel leads on efficiency. The BLUETTI PV350 350W Portable Solar Panel costs $50 less ($649 vs $699).
EcoFlow 400W Portable Solar Panel
#14 in LargeFull review
For owners of large EcoFlow DELTA-class stations who want the most watts from a single folding panel and will mostly set it up near the car. Campers who carry gear any distance are better off with two smaller panels.
Amazon $699 EcoFlow $699$699
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the BLUETTI PV350 350W Portable Solar Panel for efficiency (23.4% claimed efficiency vs 22.4% claimed efficiency).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | BLUETTI PV350 350W Portable Solar Panel | EcoFlow 400W Portable Solar Panel |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Value 30% | 37 $1.85 per rated watt | 43 $1.75 per rated watt |
| Tested output 20% | 89 not yet tested; estimated 87% of rated watts from the median of the 10 tested panels | 54 best measured 76% of rated watts (1 test) |
| Portability 15% | 40 10.8 W per lb (32.4 lb (14.7 kg)) | 44 11.3 W per lb (35.3 lb (16 kg)) |
| Durability 15% | 60 IP67, 1-year warranty | 60 IP68, 1-year warranty |
| Efficiency 10% | 73 23.4% claimed efficiency | 57 22.4% claimed efficiency |
| Features 10% | 55 built-in kickstand, series/parallel | 55 built-in kickstand, series/parallel |
Independent output tests
BLUETTI PV350 350W Portable Solar Panel
No independent test published yet.
EcoFlow 400W Portable Solar Panel
| Tested by | Measured peak | Of rated | Conditions |
|---|---|---|---|
| Mighty Gadget | 305 W | 76% | Highest input shown on an EcoFlow DELTA 2 after adjusting the angle, early afternoon in a partly shaded garden in the north of the UK, mixed sun and cloud, September 2022; input mostly settled between 150 and 250 W |
Specifications
| BLUETTI PV350 350W Portable Solar Panel | EcoFlow 400W Portable Solar Panel | |
|---|---|---|
| Output | ||
| Rated power | 350 W | 400 W |
| Tested output | Not tested (estimated 87%) | 305 W (76%) |
| Efficiency | 23.4% (cell efficiency ("up to"), per BLUETTI's manual) | 22.4% (22.40% in EcoFlow's spec table, cell or module not stated; the US product page says up to 23% and labels the option 22.6%) |
| Cells | - | Monocrystalline |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 44 V | 48 V |
| Voltage at max power (Vmp) | 37 V | 41 V |
| Short-circuit current (Isc) | 11.4 A | 11 A |
| Current at max power (Imp) | 9.5 A | 9.8 A |
| Series / parallel | Yes | Yes |
| Connections | ||
| Output connector | MC4 | MC4 |
| Cables included | 1.5 m MC4 to XT60 (20 A) | MC4 to XT60 |
| USB ports | - | None |
| Build | ||
| Weight | 32.4 lb (14.7 kg) | 35.3 lb (16 kg) |
| Folded size | 29.3 x 30.9 x 2 in | - |
| Unfolded size | 110.6 x 30.9 in | 42.0 x 94.1 x 1.0 in |
| Folding sections | 4 | - |
| Kickstand | Yes | Yes |
| Water resistance | IP67 | IP68 |
| Warranty | 1 years | 1 years |